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author | M R Swami Reddy <MR.Swami.Reddy@nsc.com> | 2008-11-27 11:30:33 +0000 |
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committer | M R Swami Reddy <MR.Swami.Reddy@nsc.com> | 2008-11-27 11:30:33 +0000 |
commit | 59b098c97067d1eb3516e704e3941ca4b4701d1b (patch) | |
tree | e7bb1c4b7210f9421cd4cd81dada27743e6c1b3e /opcodes | |
parent | e1c93c699b7dceb3fc41fb039ff5fecea73677ba (diff) | |
download | gdb-59b098c97067d1eb3516e704e3941ca4b4701d1b.zip gdb-59b098c97067d1eb3516e704e3941ca4b4701d1b.tar.gz gdb-59b098c97067d1eb3516e704e3941ca4b4701d1b.tar.bz2 |
* cr16-dis.c (match_opcode): Truncate mcode to 32 bit and
adjusted the mask for 32-bit branch instruction.
Diffstat (limited to 'opcodes')
-rw-r--r-- | opcodes/ChangeLog | 5 | ||||
-rw-r--r-- | opcodes/cr16-dis.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 479eed9..cb072c7 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,8 @@ +2008-11-27 M R Swami Reddy <MR.Swami.Reddy@nsc.com> + + * cr16-dis.c (match_opcode): Truncate mcode to 32 bit and + adjusted the mask for 32-bit branch instruction. + 2008-11-27 Alan Modra <amodra@bigpond.net.au> * ppc-opc.c (extract_sprg): Correct operand range check. diff --git a/opcodes/cr16-dis.c b/opcodes/cr16-dis.c index de3eb75..2627141 100644 --- a/opcodes/cr16-dis.c +++ b/opcodes/cr16-dis.c @@ -322,7 +322,7 @@ match_opcode (void) { unsigned long mask; /* The instruction 'constant' opcode doewsn't exceed 32 bits. */ - unsigned long doubleWord = words[1] + (words[0] << 16); + unsigned long doubleWord = (words[1] + (words[0] << 16)) & 0xffffffff; /* Start searching from end of instruction table. */ instruction = &cr16_instruction[NUMOPCODES - 2]; @@ -331,6 +331,10 @@ match_opcode (void) while (instruction >= cr16_instruction) { mask = build_mask (); + /* Adjust mask for bcond with 32-bit size instruction */ + if ((IS_INSN_MNEMONIC("b") && instruction->size == 2)) + mask = 0xff0f0000; + if ((doubleWord & mask) == BIN (instruction->match, instruction->match_bits)) return 1; |